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From "Shi Lu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HELIX-25) setConfig should check if instance exist or not when setting PARTICIPANT config
Date Wed, 13 Feb 2013 00:11:15 GMT

     [ https://issues.apache.org/jira/browse/HELIX-25?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shi Lu updated HELIX-25:
------------------------

    Assignee: dafu  (was: Shi Lu)
     Summary: setConfig should check if instance exist or not when setting PARTICIPANT config
 (was: enableInstance should check if instance exist or not)

We need to make sure that setConfig does nothing when setting a participant config which is
not added into cluster yet. As some code in helix use the childnames of /CONFIGS/PARTICIPANT
 to get the list of instances in the cluster
                
> setConfig should check if instance exist or not when setting PARTICIPANT config
> -------------------------------------------------------------------------------
>
>                 Key: HELIX-25
>                 URL: https://issues.apache.org/jira/browse/HELIX-25
>             Project: Apache Helix
>          Issue Type: Bug
>            Reporter: Shi Lu
>            Assignee: dafu
>             Fix For: 0.6.1-incubating
>
>
> If enableInstance is called with a non-exist instance name, it will succeed and create
config for the instance; and subsequent addInstance can fail.

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